Do you have a question about the WILLOW 670-1025 and is the answer not in the manual?
Questions and answers
Bill Huldeen.
July 8, 2025
Ovewillow single flush. 670-1025 New install….float inside tank does not allow water to refill tank. Seems like a part is missing. We think float is stuck. Only operates manually, by taking top off tank
and moving with our hands
PARTS LIST ITEM # DESCRIPTION QUANTITY REPLACEMENT PART CODE Flush valve 99TOI-U2HB2VHM-OU Fill valve 99TOI-UW58KALX-OU Toilet tank NOT AVAILABLE Matte Black (PRE-INSTALLED): 99TOI-990X4LJK-OU Flush lever Chrome (EXTRA): 99TOI-E06XS3D8-OU Tank-to-Bowl Hardware 99TOI0187-OU Tank lid 99TOI-VVDM3G11-OU Seat hardware (with extra cap) 99TOI0190-OU Rubber nut (PRE-INSTALLED) 99TOI0191-OU Seat...
INSTALLATION 1.1. Ensure that your water inlet pipe and your floor discharge drain are installed according to bellow drawing. These are minimum measurements, the toilet can still be installed if your actual measurements are larger than below. Be sure to follow all local plumbing codes. TIP: Align 2 pieces of masking tape with the center of the drain, this will help you position the toilet in future steps.
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INSTALLATION 2.1. Firmly push the seal ring (wax ring) onto the toilet’s drain, fixing the seal ring (wax ring) to the ceramic. 2.2. Position the toilet onto the floor flange, making sure the L-shape brackets are inserted into the mounting holes at the bottom of the toilet bowl.
SEAT INSTALLATION 3.1. Install the seat hardware on the toilet bowl with a screwdriver, do not fully tighten the screws. 3.2. Install the toilet seat on the toilet mounting pegs by pressing the toilet seat quick release button, and move the seat to align with the toilet bowl.
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INSTALLATION 4.1. Apply silicone (not supplied) around the base of the toilet. Wait for 24 hours for it to dry. 24H!
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ADJUSTING THE WATER TANK LEVEL 1.1. Open the tank lid, rotate the adjustable rod of the fill valve to adjust the height of the floater. 1.2. Put the tank lid back on the toilet tank when the adjustment is done. Adjustable Inside the tank...
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EXCHANGING THE FLUSH LEVER 1.1. Remove the chain from the lever. 1.2. Loosen the nut by rotating clockwise. 1.3. Remove the nut, washer and lever. 1.4. Assemble new lever with the nut and washer, then install the new lever to the tank and tighten the nut. Connect the chain to the lever and test for flush.
Limited Warranty. OVE will not be responsible for any incidental, consequential, special or indirect damages, including loss of use as a result of any manufacturing defect in a Product. OVE will not be responsible for labor, or any other fees associated with removal or installation of warranted Product, components and/or parts.
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Do you have a question about the WILLOW 670-1025 and is the answer not in the manual?
Questions and answers
Ovewillow single flush. 670-1025 New install….float inside tank does not allow water to refill tank. Seems like a part is missing. We think float is stuck. Only operates manually, by taking top off tank and moving with our hands